Finding the Fourth Proportional to 328,215.68, 452,937.96 and 177,312.80
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Solution
The fourth proportional to 328,215.68, 452,937.96 and 177,312.80 is: 244,691.84
Step by Step Solution
- Step 1: Write the proportion equation
328,215.68 : 452,937.96 = 177,312.80 : x - Step 2: Convert to fraction form
328,215.68/452,937.96 = 177,312.80/x - Step 3: Cross multiply
328,215.68x = 452,937.96 × 177,312.80 - Step 4: Simplify right side
328,215.68x = 80,311,697,913.89 - Step 5: Solve for x
x = 80,311,697,913.89/328,215.68 - Step 6: Final answer
x = 244,691.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.